/**
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */
(function($) {
    $.fn.jcarousel = function(o) { return this.each(function() { new $jc(this, o); }); }; var defaults = { vertical: false, start: 1, offset: 1, size: null, scroll: 3, visible: null, animation: 'normal', easing: 'swing', auto: 0, wrap: null, initCallback: null, reloadCallback: null, itemLoadCallback: null, itemFirstInCallback: null, itemFirstOutCallback: null, itemLastInCallback: null, itemLastOutCallback: null, itemVisibleInCallback: null, itemVisibleOutCallback: null, buttonNextHTML: '<div></div>', buttonPrevHTML: '<div></div>', buttonNextEvent: 'click', buttonPrevEvent: 'click', buttonNextCallback: null, buttonPrevCallback: null }; $.jcarousel = function(e, o) {
        this.options = $.extend({}, defaults, o || {}); this.locked = false; this.container = null; this.clip = null; this.list = null; this.buttonNext = null; this.buttonPrev = null; this.wh = !this.options.vertical ? 'width' : 'height'; this.lt = !this.options.vertical ? 'left' : 'top'; var skin = '', split = e.className.split(' '); for (var i = 0; i < split.length; i++) { if (split[i].indexOf('jcarousel-skin') != -1) { $(e).removeClass(split[i]); var skin = split[i]; break; } }
        if (e.nodeName == 'UL' || e.nodeName == 'OL') {
            this.list = $(e); this.container = this.list.parent(); if (this.container.hasClass('jcarousel-clip')) {
                if (!this.container.parent().hasClass('jcarousel-container'))
                    this.container = this.container.wrap('<div></div>'); this.container = this.container.parent();
            } else if (!this.container.hasClass('jcarousel-container'))
                this.container = this.list.wrap('<div></div>').parent();
        } else { this.container = $(e); this.list = $(e).find('>ul,>ol,div>ul,div>ol'); }
        if (skin != '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1)
            this.container.wrap('<div class=" ' + skin + '"></div>'); this.clip = this.list.parent(); if (!this.clip.length || !this.clip.hasClass('jcarousel-clip'))
            this.clip = this.list.wrap('<div></div>').parent(); this.buttonPrev = $('.jcarousel-prev', this.container); if (this.buttonPrev.size() == 0 && this.options.buttonPrevHTML != null)
            this.buttonPrev = this.clip.before(this.options.buttonPrevHTML).prev(); this.buttonPrev.addClass(this.className('jcarousel-prev')); this.buttonNext = $('.jcarousel-next', this.container); if (this.buttonNext.size() == 0 && this.options.buttonNextHTML != null)
            this.buttonNext = this.clip.before(this.options.buttonNextHTML).prev(); this.buttonNext.addClass(this.className('jcarousel-next')); this.clip.addClass(this.className('jcarousel-clip')); this.list.addClass(this.className('jcarousel-list')); this.container.addClass(this.className('jcarousel-container')); var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null; var li = this.list.children('li'); var self = this; if (li.size() > 0) {
            var wh = 0, i = this.options.offset; li.each(function() { self.format(this, i++); wh += self.dimension(this, di); }); this.list.css(this.wh, wh + 'px'); if (!o || o.size === undefined)
                this.options.size = li.size();
        }
        this.container.css('display', 'block'); this.buttonNext.css('display', 'block'); this.buttonPrev.css('display', 'block'); this.funcNext = function() { self.next(); }; this.funcPrev = function() { self.prev(); }; this.funcResize = function() { self.reload(); }; if (this.options.initCallback != null)
            this.options.initCallback(this, 'init'); if ($.browser.safari) { this.buttons(false, false); $(window).bind('load', function() { self.setup(); }); } else
            this.setup();
    }; var $jc = $.jcarousel; $jc.fn = $jc.prototype = { jcarousel: '0.2.3' }; $jc.fn.extend = $jc.extend = $.extend; $jc.fn.extend({ setup: function() {
        this.first = null; this.last = null; this.prevFirst = null; this.prevLast = null; this.animating = false; this.timer = null; this.tail = null; this.inTail = false; if (this.locked)
            return; this.list.css(this.lt, this.pos(this.options.offset) + 'px'); var p = this.pos(this.options.start); this.prevFirst = this.prevLast = null; this.animate(p, false); $(window).unbind('resize', this.funcResize).bind('resize', this.funcResize);
    }, reset: function() {
        this.list.empty(); this.list.css(this.lt, '0px'); this.list.css(this.wh, '10px'); if (this.options.initCallback != null)
            this.options.initCallback(this, 'reset'); this.setup();
    }, reload: function() {
        if (this.tail != null && this.inTail)
            this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + this.tail); this.tail = null; this.inTail = false; if (this.options.reloadCallback != null)
            this.options.reloadCallback(this); if (this.options.visible != null) {
            var self = this; var di = Math.ceil(this.clipping() / this.options.visible), wh = 0, lt = 0; $('li', this.list).each(function(i) {
                wh += self.dimension(this, di); if (i + 1 < self.first)
                    lt = wh;
            }); this.list.css(this.wh, wh + 'px'); this.list.css(this.lt, -lt + 'px');
        }
        this.scroll(this.first, false);
    }, lock: function() { this.locked = true; this.buttons(); }, unlock: function() { this.locked = false; this.buttons(); }, size: function(s) {
        if (s != undefined) {
            this.options.size = s; if (!this.locked)
                this.buttons();
        }
        return this.options.size;
    }, has: function(i, i2) {
        if (i2 == undefined || !i2)
            i2 = i; if (this.options.size !== null && i2 > this.options.size)
            i2 = this.options.size; for (var j = i; j <= i2; j++) {
            var e = this.get(j); if (!e.length || e.hasClass('jcarousel-item-placeholder'))
                return false;
        }
        return true;
    }, get: function(i) { return $('.jcarousel-item-' + i, this.list); }, add: function(i, s) {
        var e = this.get(i), old = 0, add = 0; if (e.length == 0) { var c, e = this.create(i), j = $jc.intval(i); while (c = this.get(--j)) { if (j <= 0 || c.length) { j <= 0 ? this.list.prepend(e) : c.after(e); break; } } } else
            old = this.dimension(e); e.removeClass(this.className('jcarousel-item-placeholder')); typeof s == 'string' ? e.html(s) : e.empty().append(s); var di = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null; var wh = this.dimension(e, di) - old; if (i > 0 && i < this.first)
            this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - wh + 'px'); this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) + wh + 'px'); return e;
    }, remove: function(i) {
        var e = this.get(i); if (!e.length || (i >= this.first && i <= this.last))
            return; var d = this.dimension(e); if (i < this.first)
            this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + d + 'px'); e.remove(); this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) - d + 'px');
    }, next: function() {
        this.stopAuto(); if (this.tail != null && !this.inTail)
            this.scrollTail(false); else
            this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'last') && this.options.size != null && this.last == this.options.size) ? 1 : this.first + this.options.scroll);
    }, prev: function() {
        this.stopAuto(); if (this.tail != null && this.inTail)
            this.scrollTail(true); else
            this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'first') && this.options.size != null && this.first == 1) ? this.options.size : this.first - this.options.scroll);
    }, scrollTail: function(b) {
        if (this.locked || this.animating || !this.tail)
            return; var pos = $jc.intval(this.list.css(this.lt)); !b ? pos -= this.tail : pos += this.tail; this.inTail = !b; this.prevFirst = this.first; this.prevLast = this.last; this.animate(pos);
    }, scroll: function(i, a) {
        if (this.locked || this.animating)
            return; this.animate(this.pos(i), a);
    }, pos: function(i) {
        if (this.locked || this.animating)
            return; i = $jc.intval(i); if (this.options.wrap != 'circular')
            i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size : i); var back = this.first > i; var pos = $jc.intval(this.list.css(this.lt)); var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first; var c = back ? this.get(f) : this.get(this.last); var j = back ? f : f - 1; var e = null, l = 0, p = false, d = 0; while (back ? --j >= i : ++j < i) {
            e = this.get(j); p = !e.length; if (e.length == 0) { e = this.create(j).addClass(this.className('jcarousel-item-placeholder')); c[back ? 'before' : 'after'](e); }
            c = e; d = this.dimension(e); if (p)
                l += d; if (this.first != null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size == null || j <= this.options.size))))
                pos = back ? pos + d : pos - d;
        }
        var clipping = this.clipping(); var cache = []; var visible = 0, j = i, v = 0; var c = this.get(i - 1); while (++visible) {
            e = this.get(j); p = !e.length; if (e.length == 0) { e = this.create(j).addClass(this.className('jcarousel-item-placeholder')); c.length == 0 ? this.list.prepend(e) : c[back ? 'before' : 'after'](e); }
            c = e; var d = this.dimension(e); if (d == 0) { alert('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...'); return 0; }
            if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size)
                cache.push(e); else if (p)
                l += d; v += d; if (v >= clipping)
                break; j++;
        }
        for (var x = 0; x < cache.length; x++)
            cache[x].remove(); if (l > 0) { this.list.css(this.wh, this.dimension(this.list) + l + 'px'); if (back) { pos -= l; this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - l + 'px'); } }
        var last = i + visible - 1; if (this.options.wrap != 'circular' && this.options.size && last > this.options.size)
            last = this.options.size; if (j > last) {
            visible = 0, j = last, v = 0; while (++visible) {
                var e = this.get(j--); if (!e.length)
                    break; v += this.dimension(e); if (v >= clipping)
                    break;
            } 
        }
        var first = last - visible + 1; if (this.options.wrap != 'circular' && first < 1)
            first = 1; if (this.inTail && back) { pos += this.tail; this.inTail = false; }
        this.tail = null; if (this.options.wrap != 'circular' && last == this.options.size && (last - visible + 1) >= 1) {
            var m = $jc.margin(this.get(last), !this.options.vertical ? 'marginRight' : 'marginBottom'); if ((v - m) > clipping)
                this.tail = v - clipping - m;
        }
        while (i-- > first)
            pos += this.dimension(this.get(i)); this.prevFirst = this.first; this.prevLast = this.last; this.first = first; this.last = last; return pos;
    }, animate: function(p, a) {
        if (this.locked || this.animating)
            return; this.animating = true; var self = this; var scrolled = function() {
                self.animating = false; if (p == 0)
                    self.list.css(self.lt, 0); if (self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size == null || self.last < self.options.size)
                    self.startAuto(); self.buttons(); self.notify('onAfterAnimation');
            }; this.notify('onBeforeAnimation'); if (!this.options.animation || a == false) { this.list.css(this.lt, p + 'px'); scrolled(); } else { var o = !this.options.vertical ? { 'left': p} : { 'top': p }; this.list.animate(o, this.options.animation, this.options.easing, scrolled); } 
    }, startAuto: function(s) {
        if (s != undefined)
            this.options.auto = s; if (this.options.auto == 0)
            return this.stopAuto(); if (this.timer != null)
            return; var self = this; this.timer = setTimeout(function() { self.next(); }, this.options.auto * 1000);
    }, stopAuto: function() {
        if (this.timer == null)
            return; clearTimeout(this.timer); this.timer = null;
    }, buttons: function(n, p) {
        if (n == undefined || n == null) {
            var n = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'first') || this.options.size == null || this.last < this.options.size); if (!this.locked && (!this.options.wrap || this.options.wrap == 'first') && this.options.size != null && this.last >= this.options.size)
                n = this.tail != null && !this.inTail;
        }
        
        if (p == undefined || p == null) {
            var p = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'last') || this.first > 1); if (!this.locked && (!this.options.wrap || this.options.wrap == 'last') && this.options.size != null && this.first == 1)
                p = this.tail != null && this.inTail;
        }
        var self = this; this.buttonNext[n ? 'bind' : 'unbind'](this.options.buttonNextEvent, this.funcNext)[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true); this.buttonPrev[p ? 'bind' : 'unbind'](this.options.buttonPrevEvent, this.funcPrev)[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true); if (this.buttonNext.length > 0 && (this.buttonNext[0].jcarouselstate == undefined || this.buttonNext[0].jcarouselstate != n) && this.options.buttonNextCallback != null) { this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); }); this.buttonNext[0].jcarouselstate = n; }
        if (this.buttonPrev.length > 0 && (this.buttonPrev[0].jcarouselstate == undefined || this.buttonPrev[0].jcarouselstate != p) && this.options.buttonPrevCallback != null) { this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); }); this.buttonPrev[0].jcarouselstate = p; } 
    }, notify: function(evt) {
        var state = this.prevFirst == null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev'); this.callback('itemLoadCallback', evt, state); if (this.prevFirst !== this.first) { this.callback('itemFirstInCallback', evt, state, this.first); this.callback('itemFirstOutCallback', evt, state, this.prevFirst); }
        if (this.prevLast !== this.last) { this.callback('itemLastInCallback', evt, state, this.last); this.callback('itemLastOutCallback', evt, state, this.prevLast); }
        this.callback('itemVisibleInCallback', evt, state, this.first, this.last, this.prevFirst, this.prevLast); this.callback('itemVisibleOutCallback', evt, state, this.prevFirst, this.prevLast, this.first, this.last);
    }, callback: function(cb, evt, state, i1, i2, i3, i4) {
        if (this.options[cb] == undefined || (typeof this.options[cb] != 'object' && evt != 'onAfterAnimation'))
            return; var callback = typeof this.options[cb] == 'object' ? this.options[cb][evt] : this.options[cb]; if (!$.isFunction(callback))
            return; var self = this; if (i1 === undefined)
            callback(self, state, evt); else if (i2 === undefined)
            this.get(i1).each(function() { callback(self, this, i1, state, evt); }); else {
            for (var i = i1; i <= i2; i++)
                if (i !== null && !(i >= i3 && i <= i4))
                this.get(i).each(function() { callback(self, this, i, state, evt); });
        } 
    }, create: function(i) { return this.format('<li></li>', i); }, format: function(e, i) { var $e = $(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i)); $e.attr('jcarouselindex', i); return $e; }, className: function(c) { return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical'); }, dimension: function(e, d) {
        var el = e.jquery != undefined ? e[0] : e; var old = !this.options.vertical ? el.offsetWidth + $jc.margin(el, 'marginLeft') + $jc.margin(el, 'marginRight') : el.offsetHeight + $jc.margin(el, 'marginTop') + $jc.margin(el, 'marginBottom'); if (d == undefined || old == d)
            return old; var w = !this.options.vertical ? d - $jc.margin(el, 'marginLeft') - $jc.margin(el, 'marginRight') : d - $jc.margin(el, 'marginTop') - $jc.margin(el, 'marginBottom'); $(el).css(this.wh, w + 'px'); return this.dimension(el);
    }, clipping: function() { return !this.options.vertical ? this.clip[0].offsetWidth - $jc.intval(this.clip.css('borderLeftWidth')) - $jc.intval(this.clip.css('borderRightWidth')) : this.clip[0].offsetHeight - $jc.intval(this.clip.css('borderTopWidth')) - $jc.intval(this.clip.css('borderBottomWidth')); }, index: function(i, s) {
        if (s == undefined)
            s = this.options.size; return Math.round((((i - 1) / s) - Math.floor((i - 1) / s)) * s) + 1;
    } 
    }); $jc.extend({ defaults: function(d) { return $.extend(defaults, d || {}); }, margin: function(e, p) {
        if (!e)
            return 0; var el = e.jquery != undefined ? e[0] : e; if (p == 'marginRight' && $.browser.safari) { var old = { 'display': 'block', 'float': 'none', 'width': 'auto' }, oWidth, oWidth2; $.swap(el, old, function() { oWidth = el.offsetWidth; }); old['marginRight'] = 0; $.swap(el, old, function() { oWidth2 = el.offsetWidth; }); return oWidth2 - oWidth; }
        return $jc.intval($.css(el, p));
    }, intval: function(v) { v = parseInt(v); return isNaN(v) ? 0 : v; } 
    });
})(jQuery);